Last updated: March 2026
How Much Does Qsymia (Phentermine/Topiramate ER) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Qsymia 7.5/46mg Capsule (30-day) | $150 – $200 | $30 – $60 |
| Qsymia 15/92mg Capsule (30-day) | $180 – $250 | $40 – $70 |
What Affects the Cost
- Brand-name vs. generic availability
- Insurance formulary tier placement
- Pharmacy choice (retail vs. mail-order vs. Costco)
- Manufacturer savings cards and coupons
- Dosage and quantity prescribed
- Geographic location
Insurance Coverage
Typical coverage: Tier 3 brand — limited coverage; weight loss exclusions common; REMS program required
Most insurance plans use a tiered formulary: Tier 1 (generic) $0-$15 copay, Tier 2 (preferred brand) $25-$75, Tier 3 (non-preferred brand) $50-$150, Tier 4 (specialty) $100-$500+. Prior authorization may be required for certain medications. Step therapy may require trying cheaper alternatives first.
How to Save Money
- Always ask for generic when available — saves 50-90%
- Use GoodRx, RxSaver, or similar discount cards
- Costco pharmacy is open to non-members and often has lowest prices
- Mark Cuban's Cost Plus Drugs offers transparent low pricing
- Manufacturer patient assistance programs provide free medication to qualifying patients
- HSA/FSA funds can cover medication costs tax-free
Related Procedures & Costs
Frequently Asked Questions
Qsymia costs $150 to $250 per month without insurance. The manufacturer offers a savings program that may reduce costs for eligible patients.
Qsymia combines phentermine (appetite suppressant) with extended-release topiramate (which reduces appetite and increases feeling of fullness). It is approved for long-term weight management.
Qsymia is part of a REMS (Risk Evaluation and Mitigation Strategy) program due to topiramate's risk of birth defects. It can only be dispensed through certified pharmacies with pregnancy testing requirements.